CN207873549U - A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice - Google Patents
A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice Download PDFInfo
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- CN207873549U CN207873549U CN201721921599.8U CN201721921599U CN207873549U CN 207873549 U CN207873549 U CN 207873549U CN 201721921599 U CN201721921599 U CN 201721921599U CN 207873549 U CN207873549 U CN 207873549U
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- dry ice
- cutter device
- carbon dioxide
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Abstract
The utility model belongs to elimination of nuclear facilities technical field, and in particular to a kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice.In the utility model, industrial gas cylinder is connect by make-up pump with storage tank, and storage tank is connect with dry ice pelletizer and booster pump, and dry ice pelletizer is connect with dry ice crusher, and booster pump is connect with heater；The dry ice particles produced from dry ice crusher drop into funnel, and funnel is connect with injection cutter device；It is connect with injection cutter device by the super-pressure supercritical carbon dioxide of booster pump, heater, injection cutter device one end is connected with Cutting and Dismantling part, periphery is equipped with negative-pressure guide cover, and the carbon dioxide gas that negative-pressure guide cover is collected into is connected to by drier, recovery pump, two-stage filter with storage tank.The utility model can realize the Cutting and Dismantling of the metal waste to elimination of nuclear facilities scene, improve cutting efficiency, reduce second-order activity Waste disposal amount, protection staff, the public and Environmental security.
Description
Technical field
The utility model belongs to elimination of nuclear facilities technical field, and in particular to a kind of super-pressure stream of supercritical carbon dioxide load
The cutter device of dry ice.
Background technology
During elimination of nuclear facilities field conduct, the either dismounting of equipment or the disintegration of dismounting items is intended to relate to
And arrive radioactivity cutting operation.For example, during nuclear power plant is retired, the Cutting and Dismantling of reactor pressure vessel, primary Ioops system
The Cutting and Dismantling etc. of system main pipeline.Currently, common cutting mode is broadly divided into cold cut and cuts and two kinds of thermal cutting.Wherein, cold cut
It includes diamond rope saw, circular saw, high pressure jer cutting etc. to cut technology mainly；Thermal cutting technology includes mainly underwater plasma
Cutting, oxy-acetylene cutter cutting etc..But the cold cutting mode cutting efficiency of the machinery such as diamond rope saw, circular saw is low, consumptive material
Using more；High pressure jer cutting, underwater plasma cutting will produce a large amount of secondary wastewater；Oxy-acetylene cutter cutting can produce
Raw a large amount of radioaerosol.At retired scene, secondary amount of waste increases, and will result directly in the increase of retired funds.Cause
This, there is an urgent need for the few cutting modes of a kind of cutting efficiency height, secondary waste yield at elimination of nuclear facilities scene.
Currently, at home and abroad supercritical carbon dioxide fluidics is applied in oil exploitation extensively.Overcritical two
Carbonoxide is the CO 2 fluid that pressure and temperature is above its critical value (Pc=7.39MPa, Tc=31.06 DEG C), close
Spend the density close to liquid carbon dioxide；Its viscosity is suitable with gaseous carbon dioxide；Its diffusion coefficient is liquid carbon dioxide
100 times, close to gaseous state.With the raising of supercritical carbon dioxide pressure, property is closer to liquid carbon dioxide.
China University Of Petroleum Beijing studies have shown that when the pressure of supercritical carbon dioxide jet stream be 30MPa when, be in hardness
Depth of cut on the marble of 3Mos reaches 6mm；When jet pressure is 50MPa, depth of cut is up to 11mm.In addition, in China
The abrasive water jet Flow Technique used when nuclear power unit is retired can cut 100mm thickness when water jet pressure is 380MPa
Stainless steel (hardness is 4Mos~5Mos)；Meanwhile finding under study for action, jet stream cutting mainly relies on the percussion of jet stream,
The impact kinetic energy that namely jet pressure is converted to, addition abrasive material mainly increases cutting speed, improves cutting efficiency in jet stream
's.
Invention content
The technical issues of the utility model solves：It is dry that the utility model provides a kind of super-pressure stream of supercritical carbon dioxide load
The cutter device of ice can realize the Cutting and Dismantling of the metal waste to elimination of nuclear facilities scene, improve cutting efficiency, reduce by two
Secondary radioactive-waste disposal amount, protection staff, the public and Environmental security.
The technical solution adopted in the utility model：
A kind of cutter device of super-pressure stream of supercritical carbon dioxide load dry ice, including industrial gas cylinder, make-up pump, storage tank,
Dry ice pelletizer, dry ice crusher, vibrating screen, funnel, booster pump, heater, negative-pressure guide cover spray cutter device, dry
Device, recovery pump, two-stage filter, Cutting and Dismantling part；Industrial gas cylinder is connect by make-up pump with storage tank, and storage tank is made with dry ice simultaneously
Grain machine is connected with booster pump, and dry ice pelletizer is connect with dry ice crusher, and booster pump is connect with heater；It is given birth to from dry ice crusher
The dry ice particles of output drop into funnel, and vibrating screen is set on funnel, and funnel is connect with injection cutter device；By booster pump,
The super-pressure supercritical carbon dioxide of heater is connect with injection cutter device, and injection cutter device one end is connected with Cutting and Dismantling
Part, periphery are equipped with negative-pressure guide cover, and the carbon dioxide gas that negative-pressure guide cover is collected into passes through drier, recovery pump, two-stage mistake
Filter is connected to storage tank.
The beneficial effects of the utility model：
(1) Cutting and Dismantling that super-pressure stream of supercritical carbon dioxide carries dry ice particles to metal waste is realized；
(2) the dismantling efficiency of a large amount of metal wastes in the elimination of nuclear facilities is improved；
(3) reduce the yield of secondary waste during disassembling；
(4) elimination of nuclear facilities Waste disposal funds have been saved；
(5) safety of staff and environment is protected, there is significant economic and social benefit.
Description of the drawings
Fig. 1 is the cutter device flow that a kind of super-pressure stream of supercritical carbon dioxide provided by the utility model carries dry ice
Figure；
In figure：1- industrial gas cylinders, 2- make-up pumps, 3- storage tanks, 4- dry ice pelletizers, 5- dry ice crushers, 6- vibrating screens, 7-
Funnel, 8- booster pumps, 9- heaters, 10- negative-pressure guide covers, 11- spray cutter device, 12- driers, 13- recovery pumps, 14-
Two-stage filter, 15- Cutting and Dismantling parts.
Specific implementation mode
In the following with reference to the drawings and specific embodiments to a kind of super-pressure stream of supercritical carbon dioxide provided by the utility model
The cutter device for carrying dry ice is described in further detail.
As shown in Figure 1, a kind of super-pressure stream of supercritical carbon dioxide provided by the utility model carries the cutter device of dry ice,
Including industrial gas cylinder 1, make-up pump 2, storage tank 3, dry ice pelletizer 4, dry ice crusher 5, vibrating screen 6, funnel 7, booster pump 8 adds
Hot device 9, negative-pressure guide cover 10 spray cutter device 11, drier 12, recovery pump 13, two-stage filter 14, Cutting and Dismantling part
15；
Industrial gas cylinder 1 is connect by make-up pump 2 with storage tank 3, and storage tank 3 is connect with dry ice pelletizer 4 and booster pump 8 simultaneously,
Dry ice pelletizer 4 is connect with dry ice crusher 5, and booster pump 8 is connect with heater 9；The dry ice produced from dry ice crusher 5
Grain drops into funnel 7, and vibrating screen 6 is set on funnel 7, and funnel 7 is connect with injection cutter device 11；By booster pump 8, heater
9 super-pressure supercritical carbon dioxide is connect with injection cutter device 11, and 11 one end of injection cutter device is connected with Cutting and Dismantling
Part 15, periphery are equipped with negative-pressure guide cover 10, and the carbon dioxide gas that negative-pressure guide cover 10 is collected into passes through drier 12, recovery pump
13, two-stage filter 14 is connected to storage tank 3.
The operation principle of the utility model is：
Liquid carbon dioxide in industrial gas cylinder 1 is concentrated on by make-up pump 23 in storage tank, liquid carbon dioxide passes through
Super-pressure supercritical carbon dioxide is generated after booster pump 8 and electric heater 9；Liquid carbon dioxide in storage tank 3 is made by dry ice
Grain machine 4, dry ice crusher 5 produce dry ice particles, and dry ice particles drop into funnel 7, and funnel 7 is equipped with vibrating screen 6, can keep away
Exempt from dry ice particles to be adhered on 7 wall of funnel, after super-pressure supercritical carbon dioxide and dry ice particles enter injection apparatus 11, adjustment
The parameters of injection apparatus 11 make super-pressure supercritical carbon dioxide fluid carry dry ice particles and are ejected into metal items,
It works；In the carbon dioxide recovery to storage tank 3 that negative-pressure guide cover 10 outside injection apparatus 11 is collected into.
Claims (1)
1. a kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice, it is characterised in that：Including industrial gas cylinder (1),
Make-up pump (2), storage tank (3), dry ice pelletizer (4), dry ice crusher (5), vibrating screen (6), funnel (7), booster pump (8) add
Hot device (9), negative-pressure guide cover (10), injection cutter device (11), drier (12), recovery pump (13), two-stage filter (14),
Cutting and Dismantling part (15)；Industrial gas cylinder (1) is connect by make-up pump (2) with storage tank (3), and storage tank (3) connection is made with dry ice simultaneously
Grain machine (4) and booster pump (8) connection, dry ice pelletizer (4) are connect with dry ice crusher (5), booster pump (8) and heater (9)
Connection；The dry ice particles produced from dry ice crusher (5) drop into funnel (7), and vibrating screen (6), funnel are set on funnel (7)
(7) it is connect with injection cutter device (11)；By super-pressure supercritical carbon dioxide and the injection of booster pump (8), heater (9)
Cutter device (11) connects, and injection cutter device (11) one end is connected with Cutting and Dismantling part (15), and periphery is equipped with negative-pressure guide cover
(10), the carbon dioxide gas that negative-pressure guide cover (10) is collected into passes through drier (12), recovery pump (13), two-stage filter
(14) it is connected to storage tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921599.8U CN207873549U (en) | 2017-12-29 | 2017-12-29 | A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721921599.8U CN207873549U (en) | 2017-12-29 | 2017-12-29 | A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207873549U true CN207873549U (en) | 2018-09-18 |
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ID=63506173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721921599.8U Active CN207873549U (en) | 2017-12-29 | 2017-12-29 | A kind of super-pressure stream of supercritical carbon dioxide carries the cutter device of dry ice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207873549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986318A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A kind of super-pressure stream of supercritical carbon dioxide carries dry ice cutter device and method |
-
2017
- 2017-12-29 CN CN201721921599.8U patent/CN207873549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986318A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A kind of super-pressure stream of supercritical carbon dioxide carries dry ice cutter device and method |
| CN109986318B (en) * | 2017-12-29 | 2024-09-10 | 中国核动力研究设计院 | Ultrahigh-pressure supercritical carbon dioxide stream-carried dry ice cutting device and method |
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